4.5 Display Devices- COMPTIA A+ Essentials
DVI-A (digital video-analog)
A ____ connection on a video card provides analog output and are rarely (if ever) used for computers monitors, but might be used on some HDTV systems.
DVI-I (digital video-integrated)
A ____ connection on a video card provides both analog and digital output.
DVI-D (digital video-digital)
A ____ connection on a video card provides digital output.
DVI-A (digital video-analog)
A ____ is used for an LCD monitor that accepts an analog connection. Some LCD monitors have either a D-sub or this connection.
DVI-A (digital video-analog)
A ____ is used for an analog CRT monitor. Use a cable with a D-sub connection on one end and this connection on the other end to connect to the monitor.
Brighter
A ____ screen is typically desired for watching movies, or on laptops where the screen is viewed in full sunlight.
Response time
A quicker ____ is needed when viewing moving images such as video or games. If it is too slow (above 8ms) the result are ghosting or blurred images.
Speakers USB
Additional monitor features include built in ____ or ____ hub.
Video card
Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
CRT
Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors, they are still used by many graphic artists.
CRT
Because of how the ____ monitor works, portions of the display tube cannot be used for displaying the image.
4:3
CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
DB-15
CRT monitors use an electron beam that hits phosphor dots inside of a vacuum tube. While it is possible for a CRT monitor to have a digital connection, virtually all CRT monitors connect to the video card using a ____ (also called a D-sub) connector.
Digital
CRT monitors with DVI-D connectors are possible but rare. This means that the CRT monitor accepts ____ input.
Interlacing
Cheaper TVs and monitors at lower resolutions or using ____ (where every other line is drawn with each pass) are not capable of displaying all of the video content in full HD.
800 600
Common resolutions are often described using a naming standard, although these standards encompass much more than just resolution size. SVGA = ____ x ____.
1280 1024
Common resolutions are often described using a naming standard, although these standards encompass much more than just resolution size. SXGA = ____ x ____ (5:4 aspect ratio).
1400 1050
Common resolutions are often described using a naming standard, although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
1600 1200
Common resolutions are often described using a naming standard, although these standards encompass much more than just resolution size. UXGA = ____ x ____.
640 480
Common resolutions are often described using a naming standard, although these standards encompass much more than just resolution size. VGA = ____ x ____.
1680 1050
Common resolutions are often described using a naming standard, although these standards encompass much more than just resolution size. WSXGA+ = ____ x ____. UXGA = 1600 x 1200 WUXGA = 1920 x 1200
1024 768
Common resolutions are often described using a naming standard, although these standards encompass much more than just resolution size. XGA = ____ x ____.
1152 864
Common resolutions are often described using a naming standard, although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
1920 1200
Common resolutions are often described using a naming standard, although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
Dual
DVI-D ____ link cable.
Single
DVI-D ____ link cable.
2048 1536
Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
Progressive scanning
Full HD content is designed for a resolution of 1920 x 1080 using ____ (where each line on the screen is redrawn in order). Full HD support is therefore referred to as 1080p.
30 99
Green monitors are Energy Star or Green Star compliant. These monitors use less than ____ watts and reduce power consumption by ____% when in sleep or suspended mode.
Pixels
Having a few dead ____ can be common on many displays.
Video card
If the video card only has a DVI-D connector and you have an analog-only monitor, it is often cheaper to purchase a new ____ instead of the converter box.
Return policy
If you are concerned about dead pixels, review the ____ before purchasing.
16:9
If you watch HDTV content (DVD movies) on a 16:10 monitor, the display will either be stretched slightly or have black bars (areas without video content) on the top and the bottom. If you want to optimize DVD viewing from your computer, consider purchasing a monitor with a ____ aspect ratio.
1280x720 1920x1080
Increasingly, the difference between an LCD monitor and an HDTV is being blurred. You can purchase an HDTV that can also function as a monitor, or a monitor that can function as a TV. Resolutions used by HDTV are: ____ and ____.
CRT native
It is common for ____ monitors to support a wide number of resolutions, but LCD monitors often have a____ (optimum) display resolution.
Dead pixel
LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).
HDMI
LCD monitors often include features for HDTV support such as an ____ input that accepts both video and audio input through the HDMI port.
HDTV
LCD monitors often include features for HDTV support such as an ____ tuner to allow you to watch TV and change channels when the monitor is used as a TV.
External
LCD monitors often include features for HDTV support such as built-in speakers and audio-out to ____ speakers.
HDCP
LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
VN (Twisted Nematic)
LDC monitors use ____ panels that are the most common type used in computer monitors, especially in smaller sizes. These panels have very good response times (2ms to 5ms), so are well-suited for games with a lot of motion.
Diagonal
Monitor size is typically described using a ____ measurement.
Dead
Most manufactures have a minimum number of ____ pixels that must exist before they will consider an exchange. In addition, some place limitations on where they must be located in order to qualify.
G2G (grey-to-grey, or GTG)
Most manufactures have started using a ____ measure of response time, which makes the response time faster than a white-to-black response time.
Aperture grill
On a(n) ____ monitor you might be able to see two horizontal lines running across the display. These lines are the wires that are used to dynamically change the grill opening.
Screen
Pressing lightly on the ____ may revive the pixel.
Widescreen
Resolutions with a W in the name are X____ resolutions with a 16:10 aspect ratio. In addition to these standard resolutions, you can also purchase monitors with the 16:9 aspect ratio used by HDTV content.
Physical effective
Screen size is often expressed in two different measures, the ____ screen size (also called the actual size) and the ____ viewing size that identifies the largest image size that can be displayed.
1920 1080
Single link DVI-D connectors can support 60 Hz up to ____ x ____ resolution.
D-sub
Some LCD monitors have a ____ connection, or you might need a cable with this connection on one end and a DVI-A connection on the other end to connect to the LCD monitor.
Worse
TN panels have ____ viewing angles and contrast ratios than the other display types.
6
TN panels have poor color reproduction due to the fact that only ____-bits per color can be displayed. They mimic true 24-bit color using dithering and other techniques.
Backlight
The LCD ____ provides the light that makes the individual pixels visible. The light itself is actually along the top, bottom, and/or sides, with a special layer that reflects the light throughout the display.
DVI-I (digital video-integrated)
The ____ connection has all of the pins present in both the DVI-A and DVI-D connections. Most video cards and many LCD monitors have this connection.
D-sub
The ____ connector on a video card provides analog output.
D-sub
The ____ connector, sometimes called a VGA connector, uses a DB-15 connector with three rows of pins.
Static
The ____ contrast ratio indicates the difference that can be displayed at the same time.
Dynamic
The ____ contrast ratio indicates the difference that the monitor is capable of producing.
Viewing angle
The ____ identifies the angle at which the image can still be seen. With LCD monitors, the image will be dimmer and colors distorted when viewed from an angle. It is described with two numbers: horizontal angle and vertical angle, with a higher number being better.
Response time
The ____ indicates how quickly a pixel can go from black, to white, and back to black and is indicated in milliseconds (ms).
Dot pitch
The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
Pixel pitch
The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Resolution
The ____ is the number of pixels available on a display screen. Specifically, it is described by the amount of pixels horizontally across the display by the amount of pixels vertically down the display.
Resolution
The ____ is the number of pixels, and is expressed using two numbers: the number of horizontal rows and vertical columns.
Aspect ratio
The ____ is the ratio of the width and the height.
Refresh
The ____ rate is the amount of time (measured in Hz) required for the CRT's electron beam to paint the screen from top to bottom. Increasing the rate reduces screen flicker.
Contrast ratio
The ____ refers to the difference in light intensity between the brightest white and the darkest black. An example is 1000:1. A higher initial number indicates a better quality picture.
Degauss
The magnetic field used for drawing the image on the screen can cause a buildup of magnetism on internal monitor components. This magnetic field can cause color distortions, especially around the edges. To correct this problem, use the ____ feature of the monitor.
Higher sharper
The smaller the dot pitch, the more room there is for____ resolutions and the ____ a picture may be.
Utilities
There are ____ to identify and possibly fix dead pixels on a monitor.
CCFL (Cold Cathode Fluorescent Lamp)
There are currently two methods used for the backlight, 1) ____ that is currently the most common backlight source and require an inverter to provide AC power to the backlight.
LED (Light Emitting Diode)
There are currently two methods used for the backlight, 2) ____ backlights provide brighter screens, lower power consumption, a wider color range, greater contrast, and mercury-free construction. They use DC power, eliminating the need for an inverter.
Shadow mask
There are two methods of controlling the illumination of the phosphor, 1) ____ that consists of a metal screen full of holes that are aligned with each dot. The screen shields the electron beam from illuminating between dots and leaves an outline around each pixel.
Aperture grill
There are two methods of controlling the illumination of the phosphor, 2) an ____ consists of a screen of ultra thin vertical and horizontal wires. This configuration allows more electrons through resulting in a richer color display.
D-sub
This cable (top) and female port is a ____ connector.
True
True or false, you can connect analog CRT monitors to a video card with a D-sub connector?
Better
VA panels have ____ color reproduction and wider viewing angles than TN displays, but with slower response times and a higher cost.
Color shift
VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
D-sub DVI-A
You can connect an analog CRT or LCD monitor to a video card with a DVI-I connector. This requires a cable with a ____ connection on one end and a ____ connection on the other end.
Converter box
You can only connect a digital monitor to a DVI-D connector. Connecting an analog monitor, such as a CRT monitor, is only possible by using a special ____.
720p 1080i
____ (1280 x 720 progressive scan) and ____ (1920 x 1080 with interlacing) identify displays that do not support full HD content, with both 720p and 1080i being comparable in quality.
Single link
____ DVI-D connectors have 3 rows of 6 pins with one additional larger horizontal pin.
Dual link
____ DVI-D connectors have 3 rows of 8 pins plus the horizontal pin (often called a 25-pin, 24+1-pin, or 24-pin connector).
TFT (thin film transistor)
____ and active matrix are additional terms that are often used to describe LCD monitors. Currently, all LDC displays are these kinds of displays.
Flat displays
____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
DVI-D (digital video-digital)
____ connections are rated as either single link or dual link.
Widescreen
____ displays have a 16:10 aspect ratio. HDTV screens have a 16:9 aspect ratio.
Normal
____ displays have a 4:3 aspect ratio (used in CRT displays).
DVI-D (digital video-digital)
____ female port.
Interlacing
____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Dual
____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
LCD
____ monitors use a single value for the screen size. These monitors can use the entire screen for displaying images.
CRT
____ monitors will typically list the monitor size along with the viewable image size which is smaller than the total screen size. Because of how the monitor is made, not all of the available screen size can actually display an image.
Debris
____ on the screen can be mistaken for a dead pixel.
Brightness
____ or luminance identifies the amount of light the monitor produces (how bright it is) and is measured in candelas per square meter (cd/m2 also called a Nit), with a higher number indicating a brighter screen.
IPS (In Plane Switching)
____ panels are the most expensive type of panel, and could be difficult to find.
IPS (In Plane Switching)
____ panels have relatively slow response times (6ms to 16ms), and have a slight purple tint in blacks when viewed from a wide angle.
IPS (In Plane Switching)
____ panels have the best color reproduction quality and viewing angles of the display types, and are well suited for graphic design where full and accurate color representation is required.
VA (Vertical Alignment)
____ panels offer the best contrast ratios of the display types, and are well suited for movies that require good contrast.
LCD
____s are flat panels that use a liquid crystal material and transistors to display images.
